12100022011111 has 8 divisors (see below), whose sum is σ = 12490397752448. Its totient is φ = 11709649548000.

The previous prime is 12100022011093. The next prime is 12100022011139. The reversal of 12100022011111 is 11111022000121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12100022011111 - 2¹¹ = 12100022009063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12100022011091 and 12100022011100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100022011211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8288401 + ... + 9638341.

It is an arithmetic number, because the mean of its divisors is an integer number (1561299719056).

Almost surely, 2^{12100022011111} is an apocalyptic number.

12100022011111 is a deficient number, since it is larger than the sum of its proper divisors (390375741337).

12100022011111 is a wasteful number, since it uses less digits than its factorization.

12100022011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639113.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12100022011111 its reverse (11111022000121), we get a palindrome (23211044011232).

The spelling of 12100022011111 in words is "twelve trillion, one hundred billion, twenty-two million, eleven thousand, one hundred eleven".